[Python-Dev] Asking for reversion

On Feb 3, 2019, at 18:10, Raymond Hettinger <raymond.hettinger at gmail.com> wrote:
>
> FWIW, with dataclasses we decided to get the PR committed early, long before most of the tests and all of the docs. The principle was that bigger changes needed to go in as early as possible in the release cycle so that we could thoroughly exercise it (something that almost never happens while something is in the PR stage).
I think that should generally be the exception, but if it does happen, there ought to be a release blocker issue for the tests and docs. The problem then is if those things *don?t* happen and we get too late in the release cycle to roll the change back.
-Barry
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